import java.util.Scanner;
public class GuessNumber{
    public static void main(String [] args) {
        Scanner sc = new Scanner(System.in);
        String again;
        do{
        int answer = (int) (Math.random() * 100 + 1);
        int chances = 7;
        //1.生成答案数字

        while (chances > 0) {
            System.out.println("猜一个1-100之间的整数（含100）," + "你还有" + chances + "次机会,输入-1可结束本轮游戏");
            int guess;
            try{
                 guess = sc.nextInt();
            }catch (Exception e){
                System.out.println("请输入合法数字");
                sc.next();
                continue;
            }
            //2.接受玩家猜测的数字
            System.out.println(guess);
            //3.比较答案数字与猜测数字大小的关系
            if (guess == -1){
                break;
            }else if (guess > answer) {
                System.out.println("大了");
            } else if (guess < answer) {
                System.out.println("小了");
            } else {
                System.out.println("恭喜你，答对了");
                break;
            }
            chances = chances - 1;
            //4.每猜一次就比较一次
        }
        if (chances <= 0) {
            System.out.println("你没有机会了");
        }

        System.out.println("再玩一次吗？(y/n)");
         again = sc.next();
    }while(again.equalsIgnoreCase("y"));//不区分大小写
    }
}

